ighty million people in the United States are breathing unacceptably
high levels of air pollution, according to the EPA, and automobile emissions
are a major culprit. It is undeniable that tailpipe pollution severely
hurts our health, and more and more people are affected every day.
ighty million people in the United States are breathing unacceptably
high levels of air pollution, according to the EPA, and automobile emissions
are a major culprit. It is undeniable that tailpipe pollution severely
hurts our health, and more and more people are affected every day. 
Next